[jira] [Closed] (KYLIN-3568) User login error message is inaccurate

["Zongwei Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zongwei Li closed KYLIN-3568.
-----------------------------
       Resolution: Duplicate
    Fix Version/s:     (was: v2.6.0)

Sorry for duplicate bug. Will update it

> User login error message is inaccurate
> --------------------------------------
>
>                 Key: KYLIN-3568
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3568
>             Project: Kylin
>          Issue Type: Bug
>          Components: REST Service, Web 
>    Affects Versions: v2.4.1
>         Environment: CentOS 6.7, HBase 1.2.0+cdh5.14.2+456
>            Reporter: Zongwei Li
>            Assignee: XiaoXiang Yu
>            Priority: Minor
>              Labels: usability
>
> Hi Kylin team,
>  
> We found one issue when log in Kylin. The error message will misunderstood user.
>  
> I couldn't log in Kylin even I input correct username & password (enable LDAP).
> So I checked the log on server, it showed me that there exist HBase connection issues.
> Root cause is that the HBase server which Kylin used as metadata server is down, but the login message showed me that I should check my username or password. It's really confusing.
> Then I read some source codes about login module, and found out Kylin shares the same error message for different cases.
>  
> We suggested two options:
>  # redirect to global error page when HBase connection fail after login, shows error message(e.g. System Error, please contact system administrator).
>  # enhance the error code for login logic, make the error message more specific.
>  
> There are login error message and the log. And I log in successfully after recover HBase servers.
> !image-2018-09-17-20-25-54-896.png!!image-2018-09-17-20-22-20-294.png!



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